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Vacationers on motorcycles, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8765661/photo-image-vintage-mountain-travel
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Dandelion Colorado--Uncompahgre National Forest. Original public domain image from Flickr
https://www.rawpixel.com/image/8799372/photo-image-flower-plant-public-domain
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This 750-megawatt power plant, located on the north platte river, is part of the massive strip-mining development planned…
https://www.rawpixel.com/image/8799379/photo-image-smoke-public-domain
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Forest of aspens at Owl Creek Pass, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
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This 750-megawatt power plant, located on the north platte river, is part of the massive strip-mining development planned…
https://www.rawpixel.com/image/8765528/photo-image-vintage-text
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Harmless bull snake. Great Sand Dunes National Monument. Original public domain image from Flickr
https://www.rawpixel.com/image/8799856/photo-image-public-domain-animal
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Cliff Palace was once a village of over 200 rooms and 23 kivas (ceremonial spaces), 05/1972. Photographer: Norton, Boyd.…
https://www.rawpixel.com/image/8799837/photo-image-public-domain-nature-brick
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Windmill on the rolling ranch lands near Powder River Wyoming, 06/1973. Photographer: Norton, Boyd. Original public domain…
https://www.rawpixel.com/image/8799686/photo-image-public-domain-nature-wind-turbine
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Hovenweep National Monument, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8799858/photo-image-plant-tree-public-domain
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Colorado--Uncompahgre National Forest, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
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Flat plate solar heating collectors built by the Solaron Corporation, and installed on the roof of the Gump Glass Company in…
https://www.rawpixel.com/image/8799710/photo-image-plant-tree-public-domain
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Colorado--South Park. Original public domain image from Flickr
https://www.rawpixel.com/image/8799851/photo-image-sky-public-domain-mountain
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East Dallas Creek, 05/1972. Original public domain image from Flickr
https://www.rawpixel.com/image/8799898/photo-image-public-domain-mountain-nature
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San Luis Valley after rain. Original public domain image from Flickr
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Sign in a restroom along Interstate 25 south of Colorado Springs, Colorado, warns that water is undrinkable, 04/1974.…
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Farmlands such as these will be affected by strip-mining and the diversion of water required by the mines and power plants…
https://www.rawpixel.com/image/8799687/photo-image-plants-vintage-public-domain
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Blackened aluminum collector cups are the heart of the solar energy collector developed by the International Solarthermics…
https://www.rawpixel.com/image/8799741/photo-image-heart-public-domain-food
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Mule deer. Great Sand Dunes National Monument. Original public domain image from Flickr
https://www.rawpixel.com/image/8799755/photo-image-public-domain-nature-animal
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Great Sand Dunes National Monument. Original public domain image from Flickr
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View of tomatoes inside one of the solar greenhouses at the University of Arizona Environmental Research Laboratory at…
https://www.rawpixel.com/image/8799699/photo-image-plant-public-domain-wood
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Bananas being grown in a section of the University of Arizona's Environmental Research Laboratory near Tucson. Solar heated…
https://www.rawpixel.com/image/8799727/photo-image-plant-public-domain-fish
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Piece of bulldozed desert on the edge of Tucson, Arizona.
https://www.rawpixel.com/image/8799802/photo-image-plant-public-domain-nature
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Young Rial Redding, third generation of Reddings who have ranched in Sarpy Basin, joins the resistance movement. The…
https://www.rawpixel.com/image/8765892/photo-image-vintage-kid-red
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Great Sand Dunes National Monument, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8799836/photo-image-public-domain-mountain-nature
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Flat plate solar heating collectors built by the Solaron Corporation and installed on the roof of the Gump Glass Company in…
https://www.rawpixel.com/image/8799800/photo-image-plant-public-domain-wood
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Four stories high, square tower house, was built about 800 years ago in a shallow cave of Navajo Canyon, 05/1972.…
https://www.rawpixel.com/image/8799830/photo-image-public-domain-house-nature
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Windmill and power lines near the Dave Johnston Power Plant, 06/1973. Photographer: Norton, Boyd. Original public domain…
https://www.rawpixel.com/image/8799680/photo-image-vintage-public-domain
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White canyon, near the Sipapu Bridge Natural Bridges National Monument, 05/1972. Photographer: Norton, Boyd. Original public…
https://www.rawpixel.com/image/8799831/photo-image-plant-tree-sky
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Windmill at a home near Albuquerque, New Mexico, is used to pump water for domestic use. Future plans include the use of…
https://www.rawpixel.com/image/8799798/photo-image-public-domain-water-travel
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East Dallas Creek, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8799829/photo-image-public-domain-mountain-ocean
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Barrel cactus in bloom. Hovenweep National Monument. Original public domain image from Flickr
https://www.rawpixel.com/image/8799683/photo-image-flower-plant-public-domain
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An experimental solar heating panel being tested at New Mexico State University, Las Cruces.
https://www.rawpixel.com/image/8799681/photo-image-texture-public-domain
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Uncompahgre National Forest, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8799682/photo-image-plant-tree-public-domain
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Barrel cactus in bloom. Hovenweep National Monument, 05/1972. Photographer: Norton, Boyd. Original public domain image from…
https://www.rawpixel.com/image/8799833/photo-image-plant-vintage-public-domain
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Toy car on the John Redding Ranch at Sarpy Basin. The Reddings have refused to sell to the Westmoreland Coal Company…
https://www.rawpixel.com/image/8799684/photo-image-public-domain-tire
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The northern Cheyenne Indian reservation at sunset, 06/1973. Photographer: Norton, Boyd. Original public domain image from…
https://www.rawpixel.com/image/8799685/photo-image-plant-tree-public-domain
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Closeup of an experimental solar heating flat plate collector using bonded honeycomb material for an air heating system.…
https://www.rawpixel.com/image/8799801/photo-image-texture-public-domain-pattern
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East Dallas Creek, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8799828/photo-image-plant-tree-public-domain
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Sign for roadside curio shop, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802552/photo-image-mountain-nature-landscape
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Alpine meadow, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802694/photo-image-flower-plant-tree
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A trainload of coal from the Western Energy mine near Colstrip passes through a landscape of old strip mining spoil piles…
https://www.rawpixel.com/image/8802679/photo-image-nature-soil-vintage
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Breakup of a storm over Pike's Peak, 04/1974. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802570/photo-image-cloud-sky-light
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Wheat field on the Redding ranch in Sarpy Basin, 06/1973. Photographer: Norton, Boyd. Original public domain image from…
https://www.rawpixel.com/image/8802678/photo-image-plant-person-grass
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The Snake River winds through Hells Canyon, wildest and deepest gorge in the North American continent, 05/1973.…
https://www.rawpixel.com/image/8802555/photo-image-person-mountain-nature
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Trading post, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802695/photo-image-christmas-art-light
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Modern graffiti carved into rock near Cliff Palace, 05/1972. Photographer: Norton, Boyd. Original public domain image from…
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Old country store near Show Low, 04/1974. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802673/photo-image-food-vintage-coffee-cup
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Garter snake in Harris Wash, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802543/photo-image-animal-nature-water
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Tomatoes being raised in the solar greenhouse of the University of Arizona's laboratory near Tucson.
https://www.rawpixel.com/image/8802677/photo-image-plant-food-fruit
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Western garter snake on the shore of the Snake River in Hells Canyon. Judging by the bulge, the snake has recently lunched-…
https://www.rawpixel.com/image/8802562/photo-image-animal-soil-vintage
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Shiprock in smog - photographed from Mesa Verde, 05/1972. Photographer: Norton, Boyd. Original public domain image from…
https://www.rawpixel.com/image/8802708/photo-image-cloud-sunset-sky
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350 megawatt power plant under construction at Colstrip, 06/1973. Photographer: Norton, Boyd. Original public domain image…
https://www.rawpixel.com/image/8802548/photo-image-plant-construction-vintage
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Solar heating and cooling demonstration project, which is funded by the National Science Foundation..., 05/1975.…
https://www.rawpixel.com/image/8802573/photo-image-plant-grass-nature
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Construction equipment at the site of the new railroad which will transport coal from the Westmoreland Coal Company…
https://www.rawpixel.com/image/8802674/photo-image-nature-vintage-tractor
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Nest in prairie grasses on a ranch in the Powder River Basin, 06/1973. Photographer: Norton, Boyd. Original public domain…
https://www.rawpixel.com/image/8802537/photo-image-animal-vintage-snake
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A juvenile shrimp being raised at the University of Arizona Environmental Research Laboratory at Tucson in their high…
https://www.rawpixel.com/image/8802556/photo-image-vintage-snake-lizard
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Frog in marshy stream near Sarpy Basin, 06/1973. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802544/photo-image-plant-grass-animal
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This is a heliostat, a plane surface consisting of many flat mirrors, about 60 feet tall which is part of the solar furnace…
https://www.rawpixel.com/image/8802716/photo-image-person-light-pillar
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Barrel cactus. Hovenweep National Monument, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802551/photo-image-plant-nature-red
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Near East Dallas Creek, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802688/photo-image-flower-plant-nature
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Modular solar-heated house built near Corrales, New Mexico, features interconnected units of aluminum with a urethane inner…
https://www.rawpixel.com/image/8802702/photo-image-person-house-nature
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Closeup view of tomatoes inside one of the solar greenhouses at the University of Arizona Environmental Research Laboratory…
https://www.rawpixel.com/image/8802706/photo-image-plant-food-fruit
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Great Sand Dunes National Monument, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802697/photo-image-plant-tree-wolf
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Exposed root system at eroded bank. Hovenweep National Monument, 05/1972. Photographer: Norton, Boyd. Original public domain…
https://www.rawpixel.com/image/8802984/photo-image-plant-tree-nature
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Mt. Wilson and West Dolores River, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8803011/photo-image-clouds-plant-sky
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Sculptured by erosion, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
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Rock formations owe reddish hue to traces of iron oxide, 05/1972. Photographer: Norton, Boyd. Original public domain image…
https://www.rawpixel.com/image/8802982/photo-image-mountain-nature-red
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Home of architect Richard Crowther, that is heated with solar energy collected by flat plate collectors.
https://www.rawpixel.com/image/8802993/photo-image-plant-grass-house
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Shooting Wild Sheep Rapids on the Snake River in Hells Canyon. Rapids like this offer adventure and challenge to the growing…
https://www.rawpixel.com/image/8770098/photo-image-vintage-people-water
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Escalante River Gorge, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8770012/photo-image-vintage-mountain-person
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South fork of Rio Grande River near Wolf Creek Pass, 05/1972. Photographer: Norton, Boyd. Original public domain image from…
https://www.rawpixel.com/image/8802878/photo-image-ocean-nature-water
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Lunch stop for members of Snake River raft trip through Hells Canyon. Limited campsite along this river make for high impact…
https://www.rawpixel.com/image/8770094/photo-image-plant-vintage-fire
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Great Sand Dunes National Monument, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802869/photo-image-mountain-nature-landscape
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Flowering arnica herb, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8803006/photo-image-flower-plant-grass
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Flowers and rock formations at the Roy Fly ranch in Sarpy Basin, 06/1973. Photographer: Norton, Boyd. Original public domain…
https://www.rawpixel.com/image/8802971/photo-image-mountain-nature-soil
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Road leads to the Bud and John Redding Ranches in Sarpy Basin, 06/1973. Photographer: Norton, Boyd. Original public domain…
https://www.rawpixel.com/image/8802846/photo-image-plant-grass-sky
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Cliff Palace is the largest ruin discovered in Mesa Verde. It was once a village of over 200 rooms and 23 kivas (ceremonial…
https://www.rawpixel.com/image/8802879/photo-image-trees-soil-construction
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White poppy, desert flower, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802874/photo-image-flower-plant-nature
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Eroded sandstone, part of Indian ruins dating from 1100 to 1300 A.D., 05/1972. Photographer: Norton, Boyd. Original public…
https://www.rawpixel.com/image/8802994/photo-image-nature-brick-soil
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Close-up of stream bed illustrates the dry climate of the proposed strip-mining area of Sarpy Basin. Mining operation would…
https://www.rawpixel.com/image/8802957/photo-image-texture-brick-soil
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View of Colorado's front range beyond urban and industrial sprawl, 05/1975. Photographer: Norton, Boyd. Original public…
https://www.rawpixel.com/image/8802830/photo-image-person-vintage-city
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Orange mallow - showy desert flowers, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802983/photo-image-flower-plant-art
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Thunderclouds over grassy plateau, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802870/photo-image-cloud-plant-person
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Grass mounds, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802875/photo-image-grass-mountain-nature
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Orange mallow, showy desert flower, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802876/photo-image-rose-flower-plant
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Moon over forest, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802860/photo-image-moon-space-trees
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Escalante River, 05/1972. Original public domain image from Flickr
https://www.rawpixel.com/image/8803012/photo-image-mountain-nature-water
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Yellow arnica blossoms, 05/1972. Original public domain image from Flickr
https://www.rawpixel.com/image/8802880/photo-image-flower-plant-mountain
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Cliff Palace - first major Indian ruins discovered in the Mesa Verde, 05/1972. Photographer: Norton, Boyd. Original public…
https://www.rawpixel.com/image/8803005/photo-image-art-light-wood
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Sipapu Bridge, White Canyon. Natural Bridges National Monument, 05/1972. Photographer: Norton, Boyd. Original public domain…
https://www.rawpixel.com/image/8803010/photo-image-mountain-nature-landscape
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Roy Fly ranch near Sarpy Basin.
https://www.rawpixel.com/image/8802985/roy-fly-ranch-near-sarpy-basin
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Evening primrose, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802877/photo-image-flower-plant-leaf
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Prototype of a linear parabolic reflector used to gather the sun's energy and heat fluid in the center pipe to several…
https://www.rawpixel.com/image/8770097/photo-image-vintage-suns-person
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Raft begins dizzying plunge down Wild Sheep Rapid on the Snake River. Raft was one of several taking part in a conservation…
https://www.rawpixel.com/image/8802856/photo-image-person-light-mountain
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Acme coal mine, 06/1973. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802857/photo-image-vintage-road-coal
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John Bayliss, president of the Solaron Corporation, the first publicly owned solar energy company in the nation.
https://www.rawpixel.com/image/8770095/photo-image-vintage-building-solar-energy
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Englemann prickley pear cactus growing outside a solar heated greenhouse at the University of Arizona Environmental Research…
https://www.rawpixel.com/image/8802851/photo-image-plant-art-painting
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Solar greenhouse owned and built by Peter Howell, located at about the 8,500 foot level in the front range.
https://www.rawpixel.com/image/8803008/photo-image-nature-vintage-garden
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Forest near Wolf Creek Pass, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802887/photo-image-plant-tree-wolf
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Alfalfa field near the Tongue River, 06/1973. Photographer: Norton, Boyd. Original public domain image from Flickr
https://www.rawpixel.com/image/8802850/photo-image-nature-vintage-rug
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